Lamp Holder

The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee. FIG. 1 is a perspective view of a lamp holder, showing my new design; FIG. 2 is another perspective view; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is a perspective view of a lamp holder in a state of use; FIG. 10 is another perspective view of a lamp holder in a state of use; and, FIG. 11 is another perspective view of a lamp holder in a state of use. The dash-dash broken lines represent the bounds of the claim and form no part of the claimed design. The areas within the dash-dash boundary lines that are lighter in tonality also form no part of the claimed design.